package Java基础Day04面向对象上.练习;
public class Person {
        String name;
        int age;
    /**
     * sex:1 表明是男性
     * sex:0 表明是女性
     */
    int sex;
        public void study(){
            System.out.println("studying");
    }
    public void showAge(){
            System.out.println("age:"+age);
    }
    public int addAge(int i){
            age+=i;
            return age;
    }
}
